Introduction to Mathematics

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What is addition in mathematics?
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Addition is the process of calculating the total of two or more numbers or amounts.
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Define subtraction in mathematics.
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Subtraction is taking one number away from another to get the difference.
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What is multiplication?
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Multiplication is an arithmetic operation that is the repeated addition of the same number.
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What is the division in mathematics?
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Division is splitting a number into equal parts or groups.
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What is a fraction?
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A fraction represents a part of a whole or, more generally, any number of equal parts.
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What is a decimal?
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A decimal is a number that represents a fraction whose denominator is a power of ten.
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What is the value of pi (π) approximately?
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The value of pi (π) is approximately 3.14159.
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What is an even number?
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An even number is exactly divisible by 2.
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What is an odd number?
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An odd number is not divisible by 2 without a remainder.
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Define what a prime number is.
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A prime number has only two divisors: 1 and itself.
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What is the place value of 5 in the number 456?
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The place value of 5 in 456 is 50.
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What is a polygon?
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A polygon is a 2D shape with straight sides.
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How many sides does a triangle have?
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A triangle has 3 sides.
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What does it mean if two angles are complementary?
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If two angles are complementary, they add up to 90 degrees.
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What is an acute angle?
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An acute angle is less than 90 degrees.
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